Finding the Fourth Proportional to 245,577,086.66, 338,897,462.02 and 135,569,703.62
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Solution
The fourth proportional to 245,577,086.66, 338,897,462.02 and 135,569,703.62 is: 187,086,788.55
Step by Step Solution
- Step 1: Write the proportion equation
245,577,086.66 : 338,897,462.02 = 135,569,703.62 : x - Step 2: Convert to fraction form
245,577,086.66/338,897,462.02 = 135,569,703.62/x - Step 3: Cross multiply
245,577,086.66x = 338,897,462.02 × 135,569,703.62 - Step 4: Simplify right side
245,577,086.66x = 45,944,228,483,621,608 - Step 5: Solve for x
x = 45,944,228,483,621,608/245,577,086.66 - Step 6: Final answer
x = 187,086,788.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.